package kr.saeildamil.androidstudy.ch07;

import kr.saeildamil.androidstudy.R;
import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.os.Bundle;
import android.view.View;

public class DrawBitmapEx extends Activity {
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		DrawView dv = new DrawView(this);
		setContentView(dv);
	}
}
class DrawView extends View{
	Bitmap bit;
	Canvas offscreen;
	Paint pnt;
	Bitmap backBit;
	public DrawView(Context context) {
		super(context);
		bit = BitmapFactory.decodeResource(getResources(), R.drawable.harubang);
		backBit = Bitmap.createBitmap(300,200,Bitmap.Config.ARGB_8888);
		offscreen = new Canvas(backBit);
		offscreen.drawColor(Color.GREEN);
		pnt = new Paint();
		pnt.setColor(Color.RED);
	}

	@Override
	protected void onDraw(Canvas canvas) {
		super.onDraw(canvas);
		/*canvas.drawBitmap(bit, 10, 10, null);//원본이미지를 (10,10)위치에 드로수
		canvas.drawBitmap(bit, null, new Rect(120,10,170,85), null);
		canvas.drawBitmap(bit, new Rect(30,30,70,80), new Rect(180,10,180+80,10+100),null);
		canvas.drawBitmap(bit, null, new Rect(10,200,380,400), null);*/
		
		canvas.drawColor(Color.LTGRAY);
		for(int x=0; x<300; x+=10){
			offscreen.drawLine(x, 0, 300-x, 200, pnt);
		}
		canvas.drawBitmap(backBit, 10, 10, null);
		
	}
	
	
	
}
